From what I can tell it looks like there's no gluten - just asking if you guys could look at the Hi-Tech Pharmacal link and see what you think (the company can't be reached right now because of the hurricane out there!):

Hi Amanda, The product info states "no gluten content" so I would feel very comfortable using it. Plus, it makes no sense for gluten to be in an inhailed medicine. Hope your sinus infection gets better soon-they are no fun at all